The matrix must live for the life of the building.
Creating a C&E matrix requires collaboration between the fire protection engineer, the electrical engineer, and the building owner (end user). fire alarm cause and effect matrix
The threat is confirmed. This could be via a Manual Call Point (MCP) or a second detector in the same zone going into alarm (coincidence detection). The matrix must live for the life of the building
The matrix is not a "nice to have" design document; it is a legal and safety essential. the electrical engineer